True or False: metals tend to lose electrons and form positive ions?
True
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15
What is the chemical formula for ammonia (amoniaco) also known as nitrogen trihydride?
NHโ
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15
True or False: the periodic table is organised by increasing atomic number?
True
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15
How would you describe a hydride?
It is a compound where hydrogen bonds with another element
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15
Which of the following is an example of a covalent hydride: NaH, HโO, CaHโ, or KH?
HโO
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15
What are the three types of elements in the periodic table?
Metals, nonmetals, and metalloids
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15
In which group of the periodic table are alkali metals found?
Group 1
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15
What is the name of the compound with the formula NaCl?
Sodium Chloride
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15
True or False: water (HโO) is an example of an ionic hydride?
False, it is a covalent hydride
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15
True or False: Covalent hydrides are usually formed by nonmetals?
True
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15
How do you name the compound CO?
Carbon monoxide
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15
Which of the following is the most common type of hydride formed by hydrogen and metals: Ionic hydride, Covalent hydride, metallic hydride, or organic hydride?